#!/usr/bin/env python

import argparse

parser = argparse.ArgumentParser()
# parser.add_argument("echo", help="echo the string you use here")
parser.add_argument("square",
                    help="display a square of a given number",
                    type=int)
parser.add_argument("-v",
                    "--verbosity",
                    help="increase output verbosity",
                    action="store_true")
args = parser.parse_args()
if args.verbosity:
    print("verbosity truned on")
